The non-stoichiometric compound, titanium monoxide, has a continuous range of composition from $T i_{0.75} O$ to $T i O_{0.69}$ . Which of the following is/are the correct regarding the possible composition of the compound? [Ti = 48]

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The maximum percentage by mass of oxygen in the compound is 30.8.

The minimum percentage by mass of titanium in the compound is 69.2

The minimum percentage by mass of oxygen in the compound is 18.7.

The minimum percentage by mass of titanium in the compound is 81.3.

answer is A, B, C.

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Detailed Solution

For $T i_{0.75} O = 0.75 \times 48 + 16 = 52$
$∴$ Percentage of Ti $= \frac{36}{52} \times 100 = 69.23 %$
and percentage of O $= 30.8 %$
For $T i O_{0.69} = 48 + 16 \times 0.69 = 59.04$
$∴$ Percentage of Ti $= \frac{48}{59.04} \times 100 = 81.3 %$
and percentage of O $= 18.7 %$